HIGH PRESSURE
NOZZLES
Most operators
of pressure washers are not aware of the inportance of nozzle
orifice size. The size of the nozzle determines if your pressure
washer is developing the correct pressure. If the nozzle size
is to small it will restrict the flow and the unloader valve
will go into bypass. If the nozzle is to large it will not
restrict the water flow enough and the pressure at the nozzle
will drop. In fact if you have a pressure washer with an unloader
valve that is not adjustable you can lower the pressure by
using a larger nozzle than the machine calls for. The degrees
of the nozzle pertains to the spray fan generated by the nozzle.
A zero degree spray tip sprays a small circular pattern such
as a pencil tip. A 40 degree tip will spray a fan that has
a 40 degree width. There is a formula used to determine the
nozzle size and charts are available using this formula. However
nozzles wear fairly quickly and the size stamped on the nozzle
will no longer apply. The best way to determine if your nozzle
is correct is to insert a gauge with quick coupler ends into
the line on the output side of the unloader valve. If your
machine is not putting out the proper pressure and the pump
is operating to specifications change the nozzle size to a
larger or smaller orifice size until the gauge reads the pressure
your machine is rated to. |
SET
OF FOUR NOZZLES |
|
This
four piece nozzle set is color coded and of high quality.
- RED
= Zero Degree
- YELLOW = 15 Degree
- GREEN
= 25 Degree
- WHITE
= 40 Degree
|
|
|
| |
4 PIECE NOZZLE
SET |
PRICE $22.50 |
| |
SINGLE
NOZZLES |
PRICE $6.50 |
THE
CHART BELOW CAN BE USED TO DETERMINE NOZZLE
THE
CENTER SECTION OF CHART IN RED REPRESENTS GALLONS PER MINUTE
- In the top Blue
row find your machines PSI (pressure per square inch). Use the
closest PSI that is in the chart.
- In the column below your machines
PSI find your machines GPM (gallons Per Minute in Red.
Use the closest GPM that is in the chart.
- When you find the row your GPM
(gallons per minute) is located in follow that row over to the
LEFT hand Green column to determine
your correct nozzle size.
MACHINE PRESSURE IN POUNDS PER SQUARE INCH
| NOZZLE
SIZE |
1000
PSI |
1200
PSI |
1500
PSI |
2000
PSI |
2500
PSI |
3000
PSI |
3500
PSI |
4000
PSI |
5000
PSI |
|
2.0 |
1.00 |
1.10 |
1.22 |
1.41 |
1.68 |
1.73 |
1.87 |
2.00 |
2.24 |
|
2.5 |
1.25 |
1.37 |
1.53 |
1.77 |
1.98 |
2.17 |
2.34 |
2.50 |
2.80 |
|
3.0 |
1.50 |
1.62 |
1.84 |
2.12 |
2.37 |
2.60 |
2.81 |
3.00 |
3.35 |
|
3.5 |
1.75 |
1.92 |
2.14 |
2.47 |
2.77 |
3.03 |
3.74 |
4.00 |
4.47 |
|
4.0 |
2.00 |
2.19 |
2.45 |
2.83 |
3.16 |
3.46 |
3.74 |
4.00 |
4.47 |
|
4.5 |
2.25 |
2.46 |
2.76 |
3.18 |
3.56 |
3.90 |
4.21 |
4.50 |
5.03 |
|
5.0 |
2.50 |
2.74 |
3.06 |
3.54 |
3.95 |
4.33 |
4.68 |
5.00 |
5.59 |
|
5.5 |
2.75 |
3.01 |
3.37 |
3.89 |
4.35 |
4.76 |
5.14 |
5.50 |
6.16 |
|
6.0 |
3.00 |
3.29 |
3.67 |
4.24 |
4.74 |
5.20 |
5.61 |
6.00 |
6.71 |
|
6.5 |
3.25 |
3.56 |
3.98 |
4.60 |
5.14 |
5.63 |
6.08 |
6.50 |
7.27 |
|
7.0 |
3.50 |
3.83 |
4.29 |
4.95 |
5.53 |
6.06 |
6.35 |
7.00 |
7.83 |
|
7.5 |
3.75 |
4.11 |
4.39 |
5.30 |
5.93 |
6.50 |
7.02 |
7.50 |
8.39 |
| 8.0 |
4.00 |
4.38 |
4.90 |
5.66 |
6.32 |
6.93 |
7.48 |
8.00 |
8.94 |
SOAP
NOZZLES / CHEMICAL NOZZLES
| Nozzle
Part Number |
Nozzle
Size |
| NOB-2530 |
25 Degree 3.0 |
| NOB-4030 |
40 Degree 3.0 |
| NOB-2540 |
25 Degree 4.0 |
| NOB-4040 |
40 Degree 4.0 |
| NOB-6540 |
65 Degree 4.0 |
| NOB-2550 |
25 degree
5.0 |
| NOB-4050 |
40 Degree 5.0 |
All
Brass Soap Nozzles |
$6.07 |
|
